/usr/include/tins/packet_writer.h is in libtins-dev 1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2012, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef TINS_PACKET_WRITER_H
#define TINS_PACKET_WRITER_H
#include <string>
#include <iterator>
#include <pcap.h>
#include "utils.h"
#include "cxxstd.h"
namespace Tins {
class PDU;
/**
* \class PacketWriter
* \brief Writes PDUs to a pcap format file.
*/
class PacketWriter {
public:
/**
* \brief The type of PDUs that will be written to this file.
*
* This flag should match the type of the lowest layer PDU to be
* written.
*/
enum LinkType {
RADIOTAP = DLT_IEEE802_11_RADIO,
DOT11 = DLT_IEEE802_11,
ETH2 = DLT_EN10MB,
DOT3 = DLT_EN10MB,
SLL = DLT_LINUX_SLL
};
/**
* \brief Constructs a PacketWriter.
* \param file_name The file in which to store the written PDUs.
* \param lt The link type which will be written to this file.
* \sa LinkType.
*/
PacketWriter(const std::string &file_name, LinkType lt);
#if TINS_IS_CXX11
/**
* \brief Move constructor.
*
* Note that calling PacketWriter::write on an previously moved
* object will lead to undefined behaviour.
*
* \param rhs The PacketWriter to be moved.
*/
PacketWriter(PacketWriter &&rhs) noexcept {
*this = std::move(rhs);
}
/**
* \brief Move assignment operator.
*
* Note that calling PacketWriter::write on an previously moved
* object will lead to undefined behaviour.
*
* \param rhs The PacketWriter to be moved.
*/
PacketWriter& operator=(PacketWriter &&rhs) noexcept {
handle = 0;
dumper = 0;
std::swap(handle, rhs.handle);
std::swap(dumper, rhs.dumper);
return *this;
}
#endif
/**
* Destructor.
*/
~PacketWriter();
/**
* \brief Writes a PDU to this file.
*/
void write(PDU &pdu);
/**
* \brief Writes a PDU to this file.
*
* The template parameter T must at some point yield a PDU& after
* applying operator* one or more than one time. This accepts both
* raw and smartpointers.
*/
template<typename T>
void write(T &pdu) {
write(Utils::dereference_until_pdu(pdu));
}
/**
* \brief Writes all the PDUs in the range [start, end)
* \param start A forward iterator pointing to the first PDU
* to be written.
* \param end A forward iterator pointing to one past the last
* PDU in the range.
*/
template<typename ForwardIterator>
void write(ForwardIterator start, ForwardIterator end) {
while(start != end)
write(Utils::dereference_until_pdu(*start++));
}
private:
// You shall not copy
PacketWriter(const PacketWriter&);
PacketWriter& operator=(const PacketWriter&);
pcap_t *handle;
pcap_dumper_t *dumper;
};
}
#endif // TINS_PACKET_WRITER_H
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